Airport pavements monitoring and evaluation

Effective management of airport pavements necessarily involves regular and rigorous monitoring of their surface and structural condition. This helps airport operators understand traffic-related changes in their infrastructures in order to plan their maintenance and ensure aeronautical safety.

JB Bonnefond Environnement supports airport operators for all the inspections, investigations and measurements required to control the airfield pavements.


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This consists in periodically assessing of the airfield pavements by achieving:

  • PCI (Pavement Condition Index) evaluation and determination.
  • Measurements of the International Roughness Index (IRI) to assess the uniformity of the runways and detect any irregularities or surface defects.
  • Friction characteristics measurements.
  • Non-destructive Testing (NDT) with the HWD (Heavy-Falling Weight Deflectometer) equipment to determine the pavement bearing capacity of airport pavements.
  • Measurements of the pavement layer thicknesses with the Ground-Penetrating Radar (GPR).
  • Geotechnical and laboratory tests to evaluate the physical and mechanical characteristics of pavement materials:
  • Pavement coring/sampling (in-situ) to determine or confirm the structure of airfield pavements, their constituent materials, their layer thickness and the quality of their interfaces.
  • Laboratory tests: characterization of asphalt, aggregates and subgrade; CBR (California Bearing Ratio); Soil classification, etc.
  • PCN calculation to verify the bearing capability of pavements using the ICAO approved method; verification of the admissibility of traffic along with specific and personalized maintenance recommendations for organized and efficient planning of airfield pavements maintenance. 

All these interventions are carried out in accordance with international requirements (e.g. Annex 14, ICAO) and good industry practices.